diff --git a/src/Subscriber/AutoUpdateTitleWithLabelSubscriber.php b/src/Subscriber/AutoUpdateTitleWithLabelSubscriber.php
index 9965d8a..eea7726 100644
--- a/src/Subscriber/AutoUpdateTitleWithLabelSubscriber.php
+++ b/src/Subscriber/AutoUpdateTitleWithLabelSubscriber.php
@@ -75,8 +75,22 @@ public function onPullRequest(GitHubEvent $event): void
         // Clean string from all HTML chars and remove whitespace at the beginning
         $prTitle = (string) preg_replace('@^[\h\s]+@u', '', html_entity_decode($prTitle));
 
-        // Add back labels
-        $prTitle = trim($prPrefix.' '.trim($prTitle));
+        // Extract any bracketed text at the beginning of the title
+        $leadingBrackets = '';
+        $remainingTitle = $prTitle;
+
+        // Match all consecutive bracketed items at the start of the title
+        while (preg_match('/^\[([^]]+)]\s*/', $remainingTitle, $matches)) {
+            $leadingBrackets .= '['.$matches[1].']';
+            $remainingTitle = substr($remainingTitle, strlen($matches[0]));
+        }
+
+        // Combine: valid labels + any unrecognized brackets + remaining title
+        if ('' !== trim($remainingTitle)) {
+            $prTitle = $prPrefix.$leadingBrackets.' '.trim($remainingTitle);
+        } else {
+            $prTitle = $prPrefix.$leadingBrackets;
+        }
         if ($originalTitle === $prTitle) {
             return;
         }
diff --git a/tests/Subscriber/AutoUpdateTitleWithLabelSubscriberTest.php b/tests/Subscriber/AutoUpdateTitleWithLabelSubscriberTest.php
index 6a935f4..174fd01 100644
--- a/tests/Subscriber/AutoUpdateTitleWithLabelSubscriberTest.php
+++ b/tests/Subscriber/AutoUpdateTitleWithLabelSubscriberTest.php
@@ -59,7 +59,7 @@ public function testOnPullRequestLabeled()
 
         $this->assertCount(2, $responseData);
         $this->assertSame(1234, $responseData['pull_request']);
-        $this->assertSame('[Console][FrameworkBundle] [bar] Foo', $responseData['new_title']);
+        $this->assertSame('[Console][FrameworkBundle][bar] Foo', $responseData['new_title']);
     }
 
     public function testOnPullRequestLabeledCaseInsensitive()
@@ -110,7 +110,7 @@ public function testRemoveLabel()
         $responseData = $event->getResponseData();
         $this->assertCount(2, $responseData);
         $this->assertSame(1234, $responseData['pull_request']);
-        $this->assertSame('[Console] [Random] Foo normal title', $responseData['new_title']);
+        $this->assertSame('[Console][Random] Foo normal title', $responseData['new_title']);
     }
 
     public function testExtraBlankSpace()
@@ -129,4 +129,169 @@ public function testExtraBlankSpace()
         $this->assertSame(57753, $responseData['pull_request']);
         $this->assertSame('[ErrorHandler] restrict the maximum length of the X-Debug-Exception header', $responseData['new_title']);
     }
+
+    public function testMultipleLabelsWithoutSpaceBetweenBrackets()
+    {
+        $event = new GitHubEvent(['action' => 'labeled', 'number' => 1234, 'pull_request' => []], $this->repository);
+        $this->pullRequestApi->method('show')->willReturn([
+            'title' => 'Foo Bar',
+            'labels' => [
+                ['name' => 'Platform', 'color' => 'dddddd'],
+                ['name' => 'Agent', 'color' => 'dddddd'],
+            ],
+        ]);
+
+        $this->dispatcher->dispatch($event, GitHubEvents::PULL_REQUEST);
+        $responseData = $event->getResponseData();
+        $this->assertCount(2, $responseData);
+        $this->assertSame(1234, $responseData['pull_request']);
+        $this->assertSame('[Agent][Platform] Foo Bar', $responseData['new_title']);
+    }
+
+    public function testMultipleLabelsUpdateRemovesSpaceBetweenBrackets()
+    {
+        $event = new GitHubEvent(['action' => 'labeled', 'number' => 1234, 'pull_request' => []], $this->repository);
+        $this->pullRequestApi->method('show')->willReturn([
+            'title' => '[Platform] [Agent] Foo Bar',  // Title already has labels with space
+            'labels' => [
+                ['name' => 'Platform', 'color' => 'dddddd'],
+                ['name' => 'Agent', 'color' => 'dddddd'],
+            ],
+        ]);
+
+        $this->dispatcher->dispatch($event, GitHubEvents::PULL_REQUEST);
+        $responseData = $event->getResponseData();
+        $this->assertCount(2, $responseData);
+        $this->assertSame(1234, $responseData['pull_request']);
+        $this->assertSame('[Agent][Platform] Foo Bar', $responseData['new_title']);
+    }
+
+    public function testAddingLabelToExistingLabeledTitle()
+    {
+        // Simulating when we already have [Platform] and are adding Agent label
+        $event = new GitHubEvent(['action' => 'labeled', 'number' => 1234, 'pull_request' => []], $this->repository);
+        $this->pullRequestApi->method('show')->willReturn([
+            'title' => '[Platform] Foo Bar',  // Title already has one label
+            'labels' => [
+                ['name' => 'Platform', 'color' => 'dddddd'],
+                ['name' => 'Agent', 'color' => 'dddddd'],  // New label added
+            ],
+        ]);
+
+        $this->dispatcher->dispatch($event, GitHubEvents::PULL_REQUEST);
+        $responseData = $event->getResponseData();
+        $this->assertCount(2, $responseData);
+        $this->assertSame(1234, $responseData['pull_request']);
+        $this->assertSame('[Agent][Platform] Foo Bar', $responseData['new_title']);
+    }
+
+    public function testLabelsNotRecognizedAsValidLabels()
+    {
+        // This test simulates what happens when [Platform] and [Agent] are in the title
+        // but they're NOT recognized as valid labels (wrong case or not in label list)
+        $event = new GitHubEvent(['action' => 'labeled', 'number' => 1234, 'pull_request' => []], $this->repository);
+        $this->pullRequestApi->method('show')->willReturn([
+            'title' => '[Platform] [Agent] Foo Bar',  // These are in title but not recognized
+            'labels' => [
+                ['name' => 'Bug', 'color' => 'dddddd'],  // Different valid label
+            ],
+        ]);
+
+        $this->dispatcher->dispatch($event, GitHubEvents::PULL_REQUEST);
+        $responseData = $event->getResponseData();
+        $this->assertCount(2, $responseData);
+        $this->assertSame(1234, $responseData['pull_request']);
+        // Since Platform and Agent are not recognized labels, they stay in the title without spaces
+        $this->assertSame('[Bug][Platform][Agent] Foo Bar', $responseData['new_title']);
+    }
+
+    public function testBugWithLabelsNotInRepositoryLabelList()
+    {
+        $event = new GitHubEvent(['action' => 'labeled', 'number' => 1234, 'pull_request' => []], $this->repository);
+        $this->pullRequestApi->method('show')->willReturn([
+            'title' => 'Foo Bar',
+            'labels' => [
+                // These labels are attached to PR but not in the StaticLabelApi list
+                ['name' => 'Platform', 'color' => 'dddddd'],
+                ['name' => 'Agent', 'color' => 'dddddd'],
+            ],
+        ]);
+
+        $this->dispatcher->dispatch($event, GitHubEvents::PULL_REQUEST);
+        $responseData = $event->getResponseData();
+
+        $this->assertCount(2, $responseData);
+        $this->assertSame(1234, $responseData['pull_request']);
+        $this->assertSame('[Agent][Platform] Foo Bar', $responseData['new_title']);
+    }
+
+    /**
+     * Test that ensures no spaces are ever added between label brackets.
+     */
+    public function testNoSpacesBetweenLabelBrackets()
+    {
+        // Test with empty title after label removal
+        $event = new GitHubEvent(['action' => 'labeled', 'number' => 1234, 'pull_request' => []], $this->repository);
+        $this->pullRequestApi->method('show')->willReturn([
+            'title' => '[Console] [FrameworkBundle]',  // Only labels, no other text
+            'labels' => [
+                ['name' => 'Console', 'color' => 'dddddd'],
+                ['name' => 'FrameworkBundle', 'color' => 'dddddd'],
+            ],
+        ]);
+
+        $this->dispatcher->dispatch($event, GitHubEvents::PULL_REQUEST);
+        $responseData = $event->getResponseData();
+
+        // Should produce labels without spaces and no trailing space
+        $this->assertCount(2, $responseData);
+        $this->assertSame(1234, $responseData['pull_request']);
+        $this->assertSame('[Console][FrameworkBundle]', $responseData['new_title']);
+    }
+
+    /**
+     * Test when title has unrecognized bracketed text like [Foo] that isn't a label.
+     */
+    public function testUnrecognizedBracketedTextWithNewLabel()
+    {
+        $event = new GitHubEvent(['action' => 'labeled', 'number' => 1234, 'pull_request' => []], $this->repository);
+        $this->pullRequestApi->method('show')->willReturn([
+            'title' => '[Foo] Bar',  // [Foo] is not a recognized label
+            'labels' => [
+                ['name' => 'Console', 'color' => 'dddddd'],  // Adding Console label
+            ],
+        ]);
+
+        $this->dispatcher->dispatch($event, GitHubEvents::PULL_REQUEST);
+        $responseData = $event->getResponseData();
+
+        // Currently produces: [Console] [Foo] Bar (with space)
+        // Should produce: [Console][Foo] Bar (no space between brackets)
+        $this->assertCount(2, $responseData);
+        $this->assertSame(1234, $responseData['pull_request']);
+        $this->assertSame('[Console][Foo] Bar', $responseData['new_title']);
+    }
+
+    /**
+     * Test multiple unrecognized bracketed texts with real labels.
+     */
+    public function testMultipleUnrecognizedBracketsWithRealLabels()
+    {
+        $event = new GitHubEvent(['action' => 'labeled', 'number' => 1234, 'pull_request' => []], $this->repository);
+        $this->pullRequestApi->method('show')->willReturn([
+            'title' => '[TODO] [WIP] [Foo] Some title',  // [TODO], [WIP], [Foo] are not recognized labels
+            'labels' => [
+                ['name' => 'Console', 'color' => 'dddddd'],
+                ['name' => 'FrameworkBundle', 'color' => 'dddddd'],
+            ],
+        ]);
+
+        $this->dispatcher->dispatch($event, GitHubEvents::PULL_REQUEST);
+        $responseData = $event->getResponseData();
+
+        // Should keep unrecognized brackets but without spaces between any brackets
+        $this->assertCount(2, $responseData);
+        $this->assertSame(1234, $responseData['pull_request']);
+        $this->assertSame('[Console][FrameworkBundle][TODO][WIP][Foo] Some title', $responseData['new_title']);
+    }
 }